Thursday 30 August 2007

S5 Homework

HYDROSPHERE HOMEWORK - is due in on Tuesday the 5th (the same day as our fieldwork). Remember when answering Q2 you have to think about why erosion changes from mainly vertical to vertical and lateral as you move down stream and why erosion changes from mainly hydraulic action and abrasion to abrasion, attrition and corrosion further down stream.

HINTS: Think about volume of water, speed, gradient of valley and river flow.